+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1341 Edmee (1935 BA) Classification: Main-belt Asteroid          SPK-ID: 2001341 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 44 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07888418130397457 3.3156e-08   a 2.742182423273071 9.3889e-09 au q 2.525867607827026 9.032e-08 au i 13.09100676422561 3.4475e-06 deg node 107.4834524778229 1.5647e-05 deg peri 140.650624188953 2.6482e-05 deg M 199.4791532387278 2.2226e-05 deg tp 2459940.057392042944 (2022-Dec-26.55739204) 0.00010337 TDB period 1658.604888444272 4.54 8.5183e-06 2.332e-08 d yr n .2170498848207728 1.1147e-09 deg/d Q 2.958497238719116 1.013e-08 au   Orbit Determination Parameters    # obs. used (total)      3110      data-arc span      37954 days (103.91 yr)      first obs. used      1917-02-23      last obs. used      2021-01-22      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .373      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:54:31   Additional Information  Earth MOID = 1.52202 au   Jupiter MOID = 2.15457 au   T_jup = 3.307  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.58   n/a E2021B10 IRAS observations used: 17 diameter diameter 23.859 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 23.745 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Stephens, R.D. (2010) Minor Planet Bull. 37, 28-29.] [Stephens, R.D. (2015) Minor Planet Bull. 42, 70-74.] geometric albedo albedo 0.182   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.700   0.014 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=7.57, mean=11.39, max.=15.17) deg. U-B UB 0.262   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=7.57, mean=12.26, max.=15.73) deg. Tholen spectral type spec_T XB   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 1341 Edmee (1935 BA)          Discovered 1935-Jan-27 by Delporte, E. at Uccle Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1935 BA = 1929 WB1 = 1932 NK = 1957 YK = 1963 KJ = A917 DA  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-02 09:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin